I ran into an unexpected feature in the HDF-Java implementation. When a string
(including strings within a string array) is read from a file, the strings are
trimmed of any character <= '\u0020', including newlines, tabs, and linefeeds.
I thought this was strange.
Dataset.java method byteToString() has this code (jhdfobj-2.11.0):
// trim only the end
int end = str.length();
while (end > 0 && str.charAt(end - 1) <= '\u0020')
end--;
The full string is read from the file and converted from bytes up to the point
of the above code, when the end index is trimmed to the first character above
'\u0020'.
What's the reason behind this? My guess is to make sure that there are no null
characters at the end of the string, but seems to be overly aggressive.
Jarom Nelson; x33953
Computer Scientist, NIF, LLNL
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